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The role of respiratory epithelium in a rat model of obliterative airway disease

The role of respiratory epithelium in a rat model of obliterative airway disease TRANSPLANTATION Adams, B. F., Brazelton, T., Berry, G. J., Morris, R. E. 2000; 69 (4): 661-664

Abstract

The etiology and pathogenesis of obliterative bronchiolitis after lung transplantation remain to be fully elucidated. Using a rat model of heterotopically transplanted trachea grafts, we have examined the role airway epithelium plays in obliterative airway disease (OAD).Rat trachea isografts were denuded of epithelium by protease digestion. Grafts were inoculated either with or without native airway epithelial cells and transplanted into the omentum of recipient animals.Airway epithelium removal resulted in OAD in denuded isogeneic trachea grafts. Reseeding of the denuded grafts with epithelial cells significantly reduced airway obliteration from 78% to 22% luminal occlusion.Non-immune-mediated injury will cause OAD, and epithelial cell replacement in denuded isografts can significantly reduce the fibrotic progression of the disease.

View details for Web of Science ID 000085611500031

View details for PubMedID 10708126